编辑代码

#include <stdio.h>
int main () {
	int fb1=1;
	int fb2=1<<1;
	int fb3=1<<2;
	int fb4=1<<3;
	int fb5=1<<4;
	int fb6=1<<5;
	int fb7=1<<6;
	int fb8=1<<7;
	int fb9=1<<8;
	int fb10=1<<9;
	int fb11=1<<10;
	int fb12=1<<11;
	int fb13=1<<12;
	int fb14=1<<13;
    int fb15=fb1+fb2+fb3+fb4+fb5+fb6+fb7+fb8+fb9+fb10+fb11+fb12+fb13+fb14;
	printf("Hello JSRUN!   \n\n         - from C .,%d",fb15);
	return 0;
}